/**
* @version: 2.1.24-beta
* @author: Dan Grossman http://www.dangrossman.info/
* @copyright: Copyright (c) 2012-2016 Dan Grossman. All rights reserved.
* @license: Licensed under the MIT license. See http://www.opensource.org/licenses/mit-license.php
* @website: https://www.improvely.com/
*/
// Follow the UMD template https://github.com/umdjs/umd/blob/master/templates/returnExportsGlobal.js


define(function (require) {
    return function (jQuery) {
        require('plugins/datetime/moment');
        (function (root, factory) {
            //if (typeof define === 'function' && define.amd) {
            //    // AMD. Make globaly available as well
            //    define(['moment', 'jquery'], function (moment, jquery) {
            //        return (root.daterangepicker = factory(moment, jquery));
            //    });
            //} else if (typeof module === 'object' && module.exports) {
            //    // Node / Browserify
            //    //isomorphic issue
            //    var jQuery = (typeof window != 'undefined') ? window.jQuery : undefined;
            //    if (!jQuery) {
            //        jQuery = require('jquery');
            //        if (!jQuery.fn) jQuery.fn = {};
            //    }
            //    module.exports = factory(require('moment'), jQuery);
            //} else {
            //    // Browser globals
            //    root.daterangepicker = factory(root.moment, root.jQuery);
            //}
            root.daterangepicker = factory(root.moment, root.jQuery);
        }(this, function (moment, $) {
            var DateRangePicker = function (element, options, cb) {

                //default settings for options
                this.parentEl = 'body';
                this.element = $(element);
                this.startDate = moment().startOf('day');
                this.endDate = moment().endOf('day');
                this.minDate = false;
                this.maxDate = false;
                this.dateLimit = false;
                this.autoApply = false;
                this.singleDatePicker = false;
                this.showDropdowns = false;
                this.showWeekNumbers = false;
                this.showISOWeekNumbers = false;
                this.timePicker = false;
                this.timePicker24Hour = false;
                this.timePickerIncrement = 1;
                this.timePickerSeconds = false;
                this.linkedCalendars = true;
                this.autoUpdateInput = true;
                this.alwaysShowCalendars = false;
                this.ranges = {};

                this.opens = 'right';
                if (this.element.hasClass('pull-right'))
                    this.opens = 'left';

                this.drops = 'down';
                if (this.element.hasClass('dropup'))
                    this.drops = 'up';

                this.buttonClasses = 'btn btn-sm';
                this.applyClass = 'btn-success';
                this.cancelClass = 'btn-default';

                this.locale = {
                    direction: 'ltr',
                    format: 'MM/DD/YYYY',
                    separator: ' - ',
                    applyLabel: 'Apply',
                    cancelLabel: 'Cancel',
                    weekLabel: 'W',
                    customRangeLabel: 'Custom Range',
                    daysOfWeek: moment.weekdaysMin(),
                    monthNames: moment.monthsShort(),
                    firstDay: moment.localeData().firstDayOfWeek()
                };

                this.callback = function () { };

                //some state information
                this.isShowing = false;
                this.leftCalendar = {};
                this.rightCalendar = {};

                //custom options from user
                if (typeof options !== 'object' || options === null)
                    options = {};

                //allow setting options with data attributes
                //data-api options will be overwritten with custom javascript options
                options = $.extend(this.element.data(), options);

                //html template for the picker UI
                if (typeof options.template !== 'string' && !(options.template instanceof $))
                    options.template = '<div class="daterangepicker dropdown-menu">' +
                        '<div class="calendar left">' +
                            '<div class="daterangepicker_input">' +
                              '<input class="input-mini form-control" type="text" name="daterangepicker_start" value="" />' +
                              '<i class="fa fa-calendar glyphicon glyphicon-calendar"></i>' +
                              '<div class="calendar-time">' +
                                '<div></div>' +
                                '<i class="fa fa-clock-o glyphicon glyphicon-time"></i>' +
                              '</div>' +
                            '</div>' +
                            '<div class="calendar-table"></div>' +
                        '</div>' +
                        '<div class="calendar right">' +
                            '<div class="daterangepicker_input">' +
                              '<input class="input-mini form-control" type="text" name="daterangepicker_end" value="" />' +
                              '<i class="fa fa-calendar glyphicon glyphicon-calendar"></i>' +
                              '<div class="calendar-time">' +
                                '<div></div>' +
                                '<i class="fa fa-clock-o glyphicon glyphicon-time"></i>' +
                              '</div>' +
                            '</div>' +
                            '<div class="calendar-table"></div>' +
                        '</div>' +
                        '<div class="ranges">' +
                            '<div class="range_inputs">' +
                                '<button class="applyBtn" disabled="disabled" type="button"></button> ' +
                                '<button class="cancelBtn" type="button"></button>' +
                            '</div>' +
                        '</div>' +
                    '</div>';

                this.parentEl = (options.parentEl && $(options.parentEl).length) ? $(options.parentEl) : $(this.parentEl);
                this.container = $(options.template).appendTo(this.parentEl);

                //
                // handle all the possible options overriding defaults
                //

                if (typeof options.locale === 'object') {

                    if (typeof options.locale.direction === 'string')
                        this.locale.direction = options.locale.direction;

                    if (typeof options.locale.format === 'string')
                        this.locale.format = options.locale.format;

                    if (typeof options.locale.separator === 'string')
                        this.locale.separator = options.locale.separator;

                    if (typeof options.locale.daysOfWeek === 'object')
                        this.locale.daysOfWeek = options.locale.daysOfWeek.slice();

                    if (typeof options.locale.monthNames === 'object')
                        this.locale.monthNames = options.locale.monthNames.slice();

                    if (typeof options.locale.firstDay === 'number')
                        this.locale.firstDay = options.locale.firstDay;

                    if (typeof options.locale.applyLabel === 'string')
                        this.locale.applyLabel = options.locale.applyLabel;

                    if (typeof options.locale.cancelLabel === 'string')
                        this.locale.cancelLabel = options.locale.cancelLabel;

                    if (typeof options.locale.weekLabel === 'string')
                        this.locale.weekLabel = options.locale.weekLabel;

                    if (typeof options.locale.customRangeLabel === 'string')
                        this.locale.customRangeLabel = options.locale.customRangeLabel;

                }
                this.container.addClass(this.locale.direction);

                if (typeof options.startDate === 'string')
                    this.startDate = moment(options.startDate, this.locale.format);

                if (typeof options.endDate === 'string')
                    this.endDate = moment(options.endDate, this.locale.format);

                if (typeof options.minDate === 'string')
                    this.minDate = moment(options.minDate, this.locale.format);

                if (typeof options.maxDate === 'string')
                    this.maxDate = moment(options.maxDate, this.locale.format);

                if (typeof options.startDate === 'object')
                    this.startDate = moment(options.startDate);

                if (typeof options.endDate === 'object')
                    this.endDate = moment(options.endDate);

                if (typeof options.minDate === 'object')
                    this.minDate = moment(options.minDate);

                if (typeof options.maxDate === 'object')
                    this.maxDate = moment(options.maxDate);

                // sanity check for bad options
                if (this.minDate && this.startDate.isBefore(this.minDate))
                    this.startDate = this.minDate.clone();

                // sanity check for bad options
                if (this.maxDate && this.endDate.isAfter(this.maxDate))
                    this.endDate = this.maxDate.clone();

                if (typeof options.applyClass === 'string')
                    this.applyClass = options.applyClass;

                if (typeof options.cancelClass === 'string')
                    this.cancelClass = options.cancelClass;

                if (typeof options.dateLimit === 'object')
                    this.dateLimit = options.dateLimit;

                if (typeof options.opens === 'string')
                    this.opens = options.opens;

                if (typeof options.drops === 'string')
                    this.drops = options.drops;

                if (typeof options.showWeekNumbers === 'boolean')
                    this.showWeekNumbers = options.showWeekNumbers;

                if (typeof options.showISOWeekNumbers === 'boolean')
                    this.showISOWeekNumbers = options.showISOWeekNumbers;

                if (typeof options.buttonClasses === 'string')
                    this.buttonClasses = options.buttonClasses;

                if (typeof options.buttonClasses === 'object')
                    this.buttonClasses = options.buttonClasses.join(' ');

                if (typeof options.showDropdowns === 'boolean')
                    this.showDropdowns = options.showDropdowns;

                if (typeof options.singleDatePicker === 'boolean') {
                    this.singleDatePicker = options.singleDatePicker;
                    if (this.singleDatePicker)
                        this.endDate = this.startDate.clone();
                }

                if (typeof options.timePicker === 'boolean')
                    this.timePicker = options.timePicker;

                if (typeof options.timePickerSeconds === 'boolean')
                    this.timePickerSeconds = options.timePickerSeconds;

                if (typeof options.timePickerIncrement === 'number')
                    this.timePickerIncrement = options.timePickerIncrement;

                if (typeof options.timePicker24Hour === 'boolean')
                    this.timePicker24Hour = options.timePicker24Hour;

                if (typeof options.autoApply === 'boolean')
                    this.autoApply = options.autoApply;

                if (typeof options.autoUpdateInput === 'boolean')
                    this.autoUpdateInput = options.autoUpdateInput;

                if (typeof options.linkedCalendars === 'boolean')
                    this.linkedCalendars = options.linkedCalendars;

                if (typeof options.isInvalidDate === 'function')
                    this.isInvalidDate = options.isInvalidDate;

                if (typeof options.isCustomDate === 'function')
                    this.isCustomDate = options.isCustomDate;

                if (typeof options.alwaysShowCalendars === 'boolean')
                    this.alwaysShowCalendars = options.alwaysShowCalendars;

                // update day names order to firstDay
                if (this.locale.firstDay != 0) {
                    var iterator = this.locale.firstDay;
                    while (iterator > 0) {
                        this.locale.daysOfWeek.push(this.locale.daysOfWeek.shift());
                        iterator--;
                    }
                }

                var start, end, range;

                //if no start/end dates set, check if an input element contains initial values
                if (typeof options.startDate === 'undefined' && typeof options.endDate === 'undefined') {
                    if ($(this.element).is('input[type=text]')) {
                        var val = $(this.element).val(),
                            split = val.split(this.locale.separator);

                        start = end = null;

                        if (split.length == 2) {
                            start = moment(split[0], this.locale.format);
                            end = moment(split[1], this.locale.format);
                        } else if (this.singleDatePicker && val !== "") {
                            start = moment(val, this.locale.format);
                            end = moment(val, this.locale.format);
                        }
                        if (start !== null && end !== null) {
                            this.setStartDate(start);
                            this.setEndDate(end);
                        }
                    }
                }

                if (typeof options.ranges === 'object') {
                    for (range in options.ranges) {

                        if (typeof options.ranges[range][0] === 'string')
                            start = moment(options.ranges[range][0], this.locale.format);
                        else
                            start = moment(options.ranges[range][0]);

                        if (typeof options.ranges[range][1] === 'string')
                            end = moment(options.ranges[range][1], this.locale.format);
                        else
                            end = moment(options.ranges[range][1]);

                        // If the start or end date exceed those allowed by the minDate or dateLimit
                        // options, shorten the range to the allowable period.
                        if (this.minDate && start.isBefore(this.minDate))
                            start = this.minDate.clone();

                        var maxDate = this.maxDate;
                        if (this.dateLimit && maxDate && start.clone().add(this.dateLimit).isAfter(maxDate))
                            maxDate = start.clone().add(this.dateLimit);
                        if (maxDate && end.isAfter(maxDate))
                            end = maxDate.clone();

                        // If the end of the range is before the minimum or the start of the range is
                        // after the maximum, don't display this range option at all.
                        if ((this.minDate && end.isBefore(this.minDate, this.timepicker ? 'minute' : 'day'))
                          || (maxDate && start.isAfter(maxDate, this.timepicker ? 'minute' : 'day')))
                            continue;

                        //Support unicode chars in the range names.
                        var elem = document.createElement('textarea');
                        elem.innerHTML = range;
                        var rangeHtml = elem.value;

                        this.ranges[rangeHtml] = [start, end];
                    }

                    var list = '<ul>';
                    for (range in this.ranges) {
                        list += '<li data-range-key="' + range + '">' + range + '</li>';
                    }
                    list += '<li data-range-key="' + this.locale.customRangeLabel + '">' + this.locale.customRangeLabel + '</li>';
                    list += '</ul>';
                    this.container.find('.ranges').prepend(list);
                }

                if (typeof cb === 'function') {
                    this.callback = cb;
                }

                if (!this.timePicker) {
                    this.startDate = this.startDate.startOf('day');
                    this.endDate = this.endDate.endOf('day');
                    this.container.find('.calendar-time').hide();
                }

                //can't be used together for now
                if (this.timePicker && this.autoApply)
                    this.autoApply = false;

                if (this.autoApply && typeof options.ranges !== 'object') {
                    this.container.find('.ranges').hide();
                } else if (this.autoApply) {
                    this.container.find('.applyBtn, .cancelBtn').addClass('hide');
                }

                if (this.singleDatePicker) {
                    this.container.addClass('single');
                    this.container.find('.calendar.left').addClass('single');
                    this.container.find('.calendar.left').show();
                    this.container.find('.calendar.right').hide();
                    this.container.find('.daterangepicker_input input, .daterangepicker_input > i').hide();
                    if (this.timePicker) {
                        this.container.find('.ranges ul').hide();
                    } else {
                        this.container.find('.ranges').hide();
                    }
                }

                if ((typeof options.ranges === 'undefined' && !this.singleDatePicker) || this.alwaysShowCalendars) {
                    this.container.addClass('show-calendar');
                }

                this.container.addClass('opens' + this.opens);

                //swap the position of the predefined ranges if opens right
                if (typeof options.ranges !== 'undefined' && this.opens == 'right') {
                    this.container.find('.ranges').prependTo(this.container.find('.calendar.left').parent());
                }

                //apply CSS classes and labels to buttons
                this.container.find('.applyBtn, .cancelBtn').addClass(this.buttonClasses);
                if (this.applyClass.length)
                    this.container.find('.applyBtn').addClass(this.applyClass);
                if (this.cancelClass.length)
                    this.container.find('.cancelBtn').addClass(this.cancelClass);
                this.container.find('.applyBtn').html(this.locale.applyLabel);
                this.container.find('.cancelBtn').html(this.locale.cancelLabel);

                //
                // event listeners
                //

                this.container.find('.calendar')
                    .on('click.daterangepicker', '.prev', $.proxy(this.clickPrev, this))
                    .on('click.daterangepicker', '.next', $.proxy(this.clickNext, this))
                    .on('mousedown.daterangepicker', 'td.available', $.proxy(this.clickDate, this))
                    .on('mouseenter.daterangepicker', 'td.available', $.proxy(this.hoverDate, this))
                    .on('mouseleave.daterangepicker', 'td.available', $.proxy(this.updateFormInputs, this))
                    .on('change.daterangepicker', 'select.yearselect', $.proxy(this.monthOrYearChanged, this))
                    .on('change.daterangepicker', 'select.monthselect', $.proxy(this.monthOrYearChanged, this))
                    .on('change.daterangepicker', 'select.hourselect,select.minuteselect,select.secondselect,select.ampmselect', $.proxy(this.timeChanged, this))
                    .on('click.daterangepicker', '.daterangepicker_input input', $.proxy(this.showCalendars, this))
                    .on('focus.daterangepicker', '.daterangepicker_input input', $.proxy(this.formInputsFocused, this))
                    .on('blur.daterangepicker', '.daterangepicker_input input', $.proxy(this.formInputsBlurred, this))
                    .on('change.daterangepicker', '.daterangepicker_input input', $.proxy(this.formInputsChanged, this));

                this.container.find('.ranges')
                    .on('click.daterangepicker', 'button.applyBtn', $.proxy(this.clickApply, this))
                    .on('click.daterangepicker', 'button.cancelBtn', $.proxy(this.clickCancel, this))
                    .on('click.daterangepicker', 'li', $.proxy(this.clickRange, this))
                    .on('mouseenter.daterangepicker', 'li', $.proxy(this.hoverRange, this))
                    .on('mouseleave.daterangepicker', 'li', $.proxy(this.updateFormInputs, this));

                if (this.element.is('input') || this.element.is('button')) {
                    this.element.on({
                        'click.daterangepicker': $.proxy(this.show, this),
                        'focus.daterangepicker': $.proxy(this.show, this),
                        'keyup.daterangepicker': $.proxy(this.elementChanged, this),
                        'keydown.daterangepicker': $.proxy(this.keydown, this)
                    });
                } else {
                    this.element.on('click.daterangepicker', $.proxy(this.toggle, this));
                }

                //
                // if attached to a text input, set the initial value
                //

                if (this.element.is('input') && !this.singleDatePicker && this.autoUpdateInput) {
                    this.element.val(this.startDate.format(this.locale.format) + this.locale.separator + this.endDate.format(this.locale.format));
                    this.element.trigger('change');
                } else if (this.element.is('input') && this.autoUpdateInput) {
                    this.element.val(this.startDate.format(this.locale.format));
                    this.element.trigger('change');
                }

            };

            DateRangePicker.prototype = {

                constructor: DateRangePicker,

                setStartDate: function (startDate) {
                    if (typeof startDate === 'string')
                        this.startDate = moment(startDate, this.locale.format);

                    if (typeof startDate === 'object')
                        this.startDate = moment(startDate);

                    if (!this.timePicker)
                        this.startDate = this.startDate.startOf('day');

                    if (this.timePicker && this.timePickerIncrement)
                        this.startDate.minute(Math.round(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);

                    if (this.minDate && this.startDate.isBefore(this.minDate)) {
                        this.startDate = this.minDate;
                        if (this.timePicker && this.timePickerIncrement)
                            this.startDate.minute(Math.round(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
                    }

                    if (this.maxDate && this.startDate.isAfter(this.maxDate)) {
                        this.startDate = this.maxDate;
                        if (this.timePicker && this.timePickerIncrement)
                            this.startDate.minute(Math.floor(this.startDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);
                    }

                    if (!this.isShowing)
                        this.updateElement();

                    this.updateMonthsInView();
                },

                setEndDate: function (endDate) {
                    if (typeof endDate === 'string')
                        this.endDate = moment(endDate, this.locale.format);

                    if (typeof endDate === 'object')
                        this.endDate = moment(endDate);

                    if (!this.timePicker)
                        this.endDate = this.endDate.endOf('day');

                    if (this.timePicker && this.timePickerIncrement)
                        this.endDate.minute(Math.round(this.endDate.minute() / this.timePickerIncrement) * this.timePickerIncrement);

                    if (this.endDate.isBefore(this.startDate))
                        this.endDate = this.startDate.clone();

                    if (this.maxDate && this.endDate.isAfter(this.maxDate))
                        this.endDate = this.maxDate;

                    if (this.dateLimit && this.startDate.clone().add(this.dateLimit).isBefore(this.endDate))
                        this.endDate = this.startDate.clone().add(this.dateLimit);

                    this.previousRightTime = this.endDate.clone();

                    if (!this.isShowing)
                        this.updateElement();

                    this.updateMonthsInView();
                },

                isInvalidDate: function () {
                    return false;
                },

                isCustomDate: function () {
                    return false;
                },

                updateView: function () {
                    if (this.timePicker) {
                        this.renderTimePicker('left');
                        this.renderTimePicker('right');
                        if (!this.endDate) {
                            this.container.find('.right .calendar-time select').attr('disabled', 'disabled').addClass('disabled');
                        } else {
                            this.container.find('.right .calendar-time select').removeAttr('disabled').removeClass('disabled');
                        }
                    }
                    if (this.endDate) {
                        this.container.find('input[name="daterangepicker_end"]').removeClass('active');
                        this.container.find('input[name="daterangepicker_start"]').addClass('active');
                    } else {
                        this.container.find('input[name="daterangepicker_end"]').addClass('active');
                        this.container.find('input[name="daterangepicker_start"]').removeClass('active');
                    }
                    this.updateMonthsInView();
                    this.updateCalendars();
                    this.updateFormInputs();
                },

                updateMonthsInView: function () {
                    if (this.endDate) {

                        //if both dates are visible already, do nothing
                        if (!this.singleDatePicker && this.leftCalendar.month && this.rightCalendar.month &&
                            (this.startDate.format('YYYY-MM') == this.leftCalendar.month.format('YYYY-MM') || this.startDate.format('YYYY-MM') == this.rightCalendar.month.format('YYYY-MM'))
                            &&
                            (this.endDate.format('YYYY-MM') == this.leftCalendar.month.format('YYYY-MM') || this.endDate.format('YYYY-MM') == this.rightCalendar.month.format('YYYY-MM'))
                            ) {
                            return;
                        }

                        this.leftCalendar.month = this.startDate.clone().date(2);
                        if (!this.linkedCalendars && (this.endDate.month() != this.startDate.month() || this.endDate.year() != this.startDate.year())) {
                            this.rightCalendar.month = this.endDate.clone().date(2);
                        } else {
                            this.rightCalendar.month = this.startDate.clone().date(2).add(1, 'month');
                        }

                    } else {
                        if (this.leftCalendar.month.format('YYYY-MM') != this.startDate.format('YYYY-MM') && this.rightCalendar.month.format('YYYY-MM') != this.startDate.format('YYYY-MM')) {
                            this.leftCalendar.month = this.startDate.clone().date(2);
                            this.rightCalendar.month = this.startDate.clone().date(2).add(1, 'month');
                        }
                    }
                    if (this.maxDate && this.linkedCalendars && !this.singleDatePicker && this.rightCalendar.month > this.maxDate) {
                        this.rightCalendar.month = this.maxDate.clone().date(2);
                        this.leftCalendar.month = this.maxDate.clone().date(2).subtract(1, 'month');
                    }
                },

                updateCalendars: function () {

                    if (this.timePicker) {
                        var hour, minute, second;
                        if (this.endDate) {
                            hour = parseInt(this.container.find('.left .hourselect').val(), 10);
                            minute = parseInt(this.container.find('.left .minuteselect').val(), 10);
                            second = this.timePickerSeconds ? parseInt(this.container.find('.left .secondselect').val(), 10) : 0;
                            if (!this.timePicker24Hour) {
                                var ampm = this.container.find('.left .ampmselect').val();
                                if (ampm === 'PM' && hour < 12)
                                    hour += 12;
                                if (ampm === 'AM' && hour === 12)
                                    hour = 0;
                            }
                        } else {
                            hour = parseInt(this.container.find('.right .hourselect').val(), 10);
                            minute = parseInt(this.container.find('.right .minuteselect').val(), 10);
                            second = this.timePickerSeconds ? parseInt(this.container.find('.right .secondselect').val(), 10) : 0;
                            if (!this.timePicker24Hour) {
                                var ampm = this.container.find('.right .ampmselect').val();
                                if (ampm === 'PM' && hour < 12)
                                    hour += 12;
                                if (ampm === 'AM' && hour === 12)
                                    hour = 0;
                            }
                        }
                        this.leftCalendar.month.hour(hour).minute(minute).second(second);
                        this.rightCalendar.month.hour(hour).minute(minute).second(second);
                    }

                    this.renderCalendar('left');
                    this.renderCalendar('right');

                    //highlight any predefined range matching the current start and end dates
                    this.container.find('.ranges li').removeClass('active');
                    if (this.endDate == null) return;

                    this.calculateChosenLabel();
                },

                renderCalendar: function (side) {

                    //
                    // Build the matrix of dates that will populate the calendar
                    //

                    var calendar = side == 'left' ? this.leftCalendar : this.rightCalendar;
                    var month = calendar.month.month();
                    var year = calendar.month.year();
                    var hour = calendar.month.hour();
                    var minute = calendar.month.minute();
                    var second = calendar.month.second();
                    var daysInMonth = moment([year, month]).daysInMonth();
                    var firstDay = moment([year, month, 1]);
                    var lastDay = moment([year, month, daysInMonth]);
                    var lastMonth = moment(firstDay).subtract(1, 'month').month();
                    var lastYear = moment(firstDay).subtract(1, 'month').year();
                    var daysInLastMonth = moment([lastYear, lastMonth]).daysInMonth();
                    var dayOfWeek = firstDay.day();

                    //initialize a 6 rows x 7 columns array for the calendar
                    var calendar = [];
                    calendar.firstDay = firstDay;
                    calendar.lastDay = lastDay;

                    for (var i = 0; i < 6; i++) {
                        calendar[i] = [];
                    }

                    //populate the calendar with date objects
                    var startDay = daysInLastMonth - dayOfWeek + this.locale.firstDay + 1;
                    if (startDay > daysInLastMonth)
                        startDay -= 7;

                    if (dayOfWeek == this.locale.firstDay)
                        startDay = daysInLastMonth - 6;

                    var curDate = moment([lastYear, lastMonth, startDay, 12, minute, second]);

                    var col, row;
                    for (var i = 0, col = 0, row = 0; i < 42; i++, col++, curDate = moment(curDate).add(24, 'hour')) {
                        if (i > 0 && col % 7 === 0) {
                            col = 0;
                            row++;
                        }
                        calendar[row][col] = curDate.clone().hour(hour).minute(minute).second(second);
                        curDate.hour(12);

                        if (this.minDate && calendar[row][col].format('YYYY-MM-DD') == this.minDate.format('YYYY-MM-DD') && calendar[row][col].isBefore(this.minDate) && side == 'left') {
                            calendar[row][col] = this.minDate.clone();
                        }

                        if (this.maxDate && calendar[row][col].format('YYYY-MM-DD') == this.maxDate.format('YYYY-MM-DD') && calendar[row][col].isAfter(this.maxDate) && side == 'right') {
                            calendar[row][col] = this.maxDate.clone();
                        }

                    }

                    //make the calendar object available to hoverDate/clickDate
                    if (side == 'left') {
                        this.leftCalendar.calendar = calendar;
                    } else {
                        this.rightCalendar.calendar = calendar;
                    }

                    //
                    // Display the calendar
                    //

                    var minDate = side == 'left' ? this.minDate : this.startDate;
                    var maxDate = this.maxDate;
                    var selected = side == 'left' ? this.startDate : this.endDate;
                    var arrow = this.locale.direction == 'ltr' ? { left: 'chevron-left', right: 'chevron-right' } : { left: 'chevron-right', right: 'chevron-left' };

                    var html = '<table class="table-condensed">';
                    html += '<thead>';
                    html += '<tr>';

                    // add empty cell for week number
                    if (this.showWeekNumbers || this.showISOWeekNumbers)
                        html += '<th></th>';

                    if ((!minDate || minDate.isBefore(calendar.firstDay)) && (!this.linkedCalendars || side == 'left')) {
                        html += '<th class="prev available"><i class="fa fa-' + arrow.left + ' glyphicon glyphicon-' + arrow.left + '"></i></th>';
                    } else {
                        html += '<th></th>';
                    }

                    var dateHtml = this.locale.monthNames[calendar[1][1].month()] + calendar[1][1].format(" YYYY");

                    if (this.showDropdowns) {
                        var currentMonth = calendar[1][1].month();
                        var currentYear = calendar[1][1].year();
                        var maxYear = (maxDate && maxDate.year()) || (currentYear + 5);
                        var minYear = (minDate && minDate.year()) || (currentYear - 50);
                        var inMinYear = currentYear == minYear;
                        var inMaxYear = currentYear == maxYear;

                        var monthHtml = '<select class="monthselect">';
                        for (var m = 0; m < 12; m++) {
                            if ((!inMinYear || m >= minDate.month()) && (!inMaxYear || m <= maxDate.month())) {
                                monthHtml += "<option value='" + m + "'" +
                                    (m === currentMonth ? " selected='selected'" : "") +
                                    ">" + this.locale.monthNames[m] + "</option>";
                            } else {
                                monthHtml += "<option value='" + m + "'" +
                                    (m === currentMonth ? " selected='selected'" : "") +
                                    " disabled='disabled'>" + this.locale.monthNames[m] + "</option>";
                            }
                        }
                        monthHtml += "</select>";

                        var yearHtml = '<select class="yearselect">';
                        for (var y = minYear; y <= maxYear; y++) {
                            yearHtml += '<option value="' + y + '"' +
                                (y === currentYear ? ' selected="selected"' : '') +
                                '>' + y + '</option>';
                        }
                        yearHtml += '</select>';

                        dateHtml = monthHtml + yearHtml;
                    }

                    html += '<th colspan="5" class="month">' + dateHtml + '</th>';
                    if ((!maxDate || maxDate.isAfter(calendar.lastDay)) && (!this.linkedCalendars || side == 'right' || this.singleDatePicker)) {
                        html += '<th class="next available"><i class="fa fa-' + arrow.right + ' glyphicon glyphicon-' + arrow.right + '"></i></th>';
                    } else {
                        html += '<th></th>';
                    }

                    html += '</tr>';
                    html += '<tr>';

                    // add week number label
                    if (this.showWeekNumbers || this.showISOWeekNumbers)
                        html += '<th class="week">' + this.locale.weekLabel + '</th>';

                    $.each(this.locale.daysOfWeek, function (index, dayOfWeek) {
                        html += '<th>' + dayOfWeek + '</th>';
                    });

                    html += '</tr>';
                    html += '</thead>';
                    html += '<tbody>';

                    //adjust maxDate to reflect the dateLimit setting in order to
                    //grey out end dates beyond the dateLimit
                    if (this.endDate == null && this.dateLimit) {
                        var maxLimit = this.startDate.clone().add(this.dateLimit).endOf('day');
                        if (!maxDate || maxLimit.isBefore(maxDate)) {
                            maxDate = maxLimit;
                        }
                    }

                    for (var row = 0; row < 6; row++) {
                        html += '<tr>';

                        // add week number
                        if (this.showWeekNumbers)
                            html += '<td class="week">' + calendar[row][0].week() + '</td>';
                        else if (this.showISOWeekNumbers)
                            html += '<td class="week">' + calendar[row][0].isoWeek() + '</td>';

                        for (var col = 0; col < 7; col++) {

                            var classes = [];

                            //highlight today's date
                            if (calendar[row][col].isSame(new Date(), "day"))
                                classes.push('today');

                            //highlight weekends
                            if (calendar[row][col].isoWeekday() > 5)
                                classes.push('weekend');

                            //grey out the dates in other months displayed at beginning and end of this calendar
                            if (calendar[row][col].month() != calendar[1][1].month())
                                classes.push('off');

                            //don't allow selection of dates before the minimum date
                            if (this.minDate && calendar[row][col].isBefore(this.minDate, 'day'))
                                classes.push('off', 'disabled');

                            //don't allow selection of dates after the maximum date
                            if (maxDate && calendar[row][col].isAfter(maxDate, 'day'))
                                classes.push('off', 'disabled');

                            //don't allow selection of date if a custom function decides it's invalid
                            if (this.isInvalidDate(calendar[row][col]))
                                classes.push('off', 'disabled');

                            //highlight the currently selected start date
                            if (calendar[row][col].format('YYYY-MM-DD') == this.startDate.format('YYYY-MM-DD'))
                                classes.push('active', 'start-date');

                            //highlight the currently selected end date
                            if (this.endDate != null && calendar[row][col].format('YYYY-MM-DD') == this.endDate.format('YYYY-MM-DD'))
                                classes.push('active', 'end-date');

                            //highlight dates in-between the selected dates
                            if (this.endDate != null && calendar[row][col] > this.startDate && calendar[row][col] < this.endDate)
                                classes.push('in-range');

                            //apply custom classes for this date
                            var isCustom = this.isCustomDate(calendar[row][col]);
                            if (isCustom !== false) {
                                if (typeof isCustom === 'string')
                                    classes.push(isCustom);
                                else
                                    Array.prototype.push.apply(classes, isCustom);
                            }

                            var cname = '', disabled = false;
                            for (var i = 0; i < classes.length; i++) {
                                cname += classes[i] + ' ';
                                if (classes[i] == 'disabled')
                                    disabled = true;
                            }
                            if (!disabled)
                                cname += 'available';

                            html += '<td class="' + cname.replace(/^\s+|\s+$/g, '') + '" data-title="' + 'r' + row + 'c' + col + '">' + calendar[row][col].date() + '</td>';

                        }
                        html += '</tr>';
                    }

                    html += '</tbody>';
                    html += '</table>';

                    this.container.find('.calendar.' + side + ' .calendar-table').html(html);

                },

                renderTimePicker: function (side) {

                    // Don't bother updating the time picker if it's currently disabled
                    // because an end date hasn't been clicked yet
                    if (side == 'right' && !this.endDate) return;

                    var html, selected, minDate, maxDate = this.maxDate;

                    if (this.dateLimit && (!this.maxDate || this.startDate.clone().add(this.dateLimit).isAfter(this.maxDate)))
                        maxDate = this.startDate.clone().add(this.dateLimit);

                    if (side == 'left') {
                        selected = this.startDate.clone();
                        minDate = this.minDate;
                    } else if (side == 'right') {
                        selected = this.endDate.clone();
                        minDate = this.startDate;

                        //Preserve the time already selected
                        var timeSelector = this.container.find('.calendar.right .calendar-time div');
                        if (!this.endDate && timeSelector.html() != '') {

                            selected.hour(timeSelector.find('.hourselect option:selected').val() || selected.hour());
                            selected.minute(timeSelector.find('.minuteselect option:selected').val() || selected.minute());
                            selected.second(timeSelector.find('.secondselect option:selected').val() || selected.second());

                            if (!this.timePicker24Hour) {
                                var ampm = timeSelector.find('.ampmselect option:selected').val();
                                if (ampm === 'PM' && selected.hour() < 12)
                                    selected.hour(selected.hour() + 12);
                                if (ampm === 'AM' && selected.hour() === 12)
                                    selected.hour(0);
                            }

                        }

                        if (selected.isBefore(this.startDate))
                            selected = this.startDate.clone();

                        if (maxDate && selected.isAfter(maxDate))
                            selected = maxDate.clone();

                    }

                    //
                    // hours
                    //

                    html = '<select class="hourselect">';

                    var start = this.timePicker24Hour ? 0 : 1;
                    var end = this.timePicker24Hour ? 23 : 12;

                    for (var i = start; i <= end; i++) {
                        var i_in_24 = i;
                        if (!this.timePicker24Hour)
                            i_in_24 = selected.hour() >= 12 ? (i == 12 ? 12 : i + 12) : (i == 12 ? 0 : i);

                        var time = selected.clone().hour(i_in_24);
                        var disabled = false;
                        if (minDate && time.minute(59).isBefore(minDate))
                            disabled = true;
                        if (maxDate && time.minute(0).isAfter(maxDate))
                            disabled = true;

                        if (i_in_24 == selected.hour() && !disabled) {
                            html += '<option value="' + i + '" selected="selected">' + i + '</option>';
                        } else if (disabled) {
                            html += '<option value="' + i + '" disabled="disabled" class="disabled">' + i + '</option>';
                        } else {
                            html += '<option value="' + i + '">' + i + '</option>';
                        }
                    }

                    html += '</select> ';

                    //
                    // minutes
                    //

                    html += ': <select class="minuteselect">';

                    for (var i = 0; i < 60; i += this.timePickerIncrement) {
                        var padded = i < 10 ? '0' + i : i;
                        var time = selected.clone().minute(i);

                        var disabled = false;
                        if (minDate && time.second(59).isBefore(minDate))
                            disabled = true;
                        if (maxDate && time.second(0).isAfter(maxDate))
                            disabled = true;

                        if (selected.minute() == i && !disabled) {
                            html += '<option value="' + i + '" selected="selected">' + padded + '</option>';
                        } else if (disabled) {
                            html += '<option value="' + i + '" disabled="disabled" class="disabled">' + padded + '</option>';
                        } else {
                            html += '<option value="' + i + '">' + padded + '</option>';
                        }
                    }

                    html += '</select> ';

                    //
                    // seconds
                    //

                    if (this.timePickerSeconds) {
                        html += ': <select class="secondselect">';

                        for (var i = 0; i < 60; i++) {
                            var padded = i < 10 ? '0' + i : i;
                            var time = selected.clone().second(i);

                            var disabled = false;
                            if (minDate && time.isBefore(minDate))
                                disabled = true;
                            if (maxDate && time.isAfter(maxDate))
                                disabled = true;

                            if (selected.second() == i && !disabled) {
                                html += '<option value="' + i + '" selected="selected">' + padded + '</option>';
                            } else if (disabled) {
                                html += '<option value="' + i + '" disabled="disabled" class="disabled">' + padded + '</option>';
                            } else {
                                html += '<option value="' + i + '">' + padded + '</option>';
                            }
                        }

                        html += '</select> ';
                    }

                    //
                    // AM/PM
                    //

                    if (!this.timePicker24Hour) {
                        html += '<select class="ampmselect">';

                        var am_html = '';
                        var pm_html = '';

                        if (minDate && selected.clone().hour(12).minute(0).second(0).isBefore(minDate))
                            am_html = ' disabled="disabled" class="disabled"';

                        if (maxDate && selected.clone().hour(0).minute(0).second(0).isAfter(maxDate))
                            pm_html = ' disabled="disabled" class="disabled"';

                        if (selected.hour() >= 12) {
                            html += '<option value="AM"' + am_html + '>AM</option><option value="PM" selected="selected"' + pm_html + '>PM</option>';
                        } else {
                            html += '<option value="AM" selected="selected"' + am_html + '>AM</option><option value="PM"' + pm_html + '>PM</option>';
                        }

                        html += '</select>';
                    }

                    this.container.find('.calendar.' + side + ' .calendar-time div').html(html);

                },

                updateFormInputs: function () {

                    //ignore mouse movements while an above-calendar text input has focus
                    if (this.container.find('input[name=daterangepicker_start]').is(":focus") || this.container.find('input[name=daterangepicker_end]').is(":focus"))
                        return;

                    this.container.find('input[name=daterangepicker_start]').val(this.startDate.format(this.locale.format));
                    if (this.endDate)
                        this.container.find('input[name=daterangepicker_end]').val(this.endDate.format(this.locale.format));

                    if (this.singleDatePicker || (this.endDate && (this.startDate.isBefore(this.endDate) || this.startDate.isSame(this.endDate)))) {
                        this.container.find('button.applyBtn').removeAttr('disabled');
                    } else {
                        this.container.find('button.applyBtn').attr('disabled', 'disabled');
                    }

                },

                move: function () {
                    var parentOffset = { top: 0, left: 0 },
                        containerTop;
                    var parentRightEdge = $(window).width();
                    if (!this.parentEl.is('body')) {
                        parentOffset = {
                            top: this.parentEl.offset().top - this.parentEl.scrollTop(),
                            left: this.parentEl.offset().left - this.parentEl.scrollLeft()
                        };
                        parentRightEdge = this.parentEl[0].clientWidth + this.parentEl.offset().left;
                    }

                    if (this.drops == 'up')
                        containerTop = this.element.offset().top - this.container.outerHeight() - parentOffset.top;
                    else
                        containerTop = this.element.offset().top + this.element.outerHeight() - parentOffset.top;
                    this.container[this.drops == 'up' ? 'addClass' : 'removeClass']('dropup');

                    if (this.opens == 'left') {
                        this.container.css({
                            top: containerTop,
                            right: parentRightEdge - this.element.offset().left - this.element.outerWidth(),
                            left: 'auto'
                        });
                        if (this.container.offset().left < 0) {
                            this.container.css({
                                right: 'auto',
                                left: 9
                            });
                        }
                    } else if (this.opens == 'center') {
                        this.container.css({
                            top: containerTop,
                            left: this.element.offset().left - parentOffset.left + this.element.outerWidth() / 2
                                    - this.container.outerWidth() / 2,
                            right: 'auto'
                        });
                        if (this.container.offset().left < 0) {
                            this.container.css({
                                right: 'auto',
                                left: 9
                            });
                        }
                    } else {
                        this.container.css({
                            top: containerTop,
                            left: this.element.offset().left - parentOffset.left,
                            right: 'auto'
                        });
                        if (this.container.offset().left + this.container.outerWidth() > $(window).width()) {
                            this.container.css({
                                left: 'auto',
                                right: 0
                            });
                        }
                    }
                },

                show: function (e) {
                    if (this.isShowing) return;

                    // Create a click proxy that is private to this instance of datepicker, for unbinding
                    this._outsideClickProxy = $.proxy(function (e) { this.outsideClick(e); }, this);

                    // Bind global datepicker mousedown for hiding and
                    $(document)
                      .on('mousedown.daterangepicker', this._outsideClickProxy)
                      // also support mobile devices
                      .on('touchend.daterangepicker', this._outsideClickProxy)
                      // also explicitly play nice with Bootstrap dropdowns, which stopPropagation when clicking them
                      .on('click.daterangepicker', '[data-toggle=dropdown]', this._outsideClickProxy)
                      // and also close when focus changes to outside the picker (eg. tabbing between controls)
                      .on('focusin.daterangepicker', this._outsideClickProxy);

                    // Reposition the picker if the window is resized while it's open
                    $(window).on('resize.daterangepicker', $.proxy(function (e) { this.move(e); }, this));

                    this.oldStartDate = this.startDate.clone();
                    this.oldEndDate = this.endDate.clone();
                    this.previousRightTime = this.endDate.clone();

                    this.updateView();
                    this.container.show();
                    this.move();
                    this.element.trigger('show.daterangepicker', this);
                    this.isShowing = true;
                },

                hide: function (e) {
                    if (!this.isShowing) return;

                    //incomplete date selection, revert to last values
                    if (!this.endDate) {
                        this.startDate = this.oldStartDate.clone();
                        this.endDate = this.oldEndDate.clone();
                    }

                    //if a new date range was selected, invoke the user callback function
                    if (!this.startDate.isSame(this.oldStartDate) || !this.endDate.isSame(this.oldEndDate))
                        this.callback(this.startDate, this.endDate, this.chosenLabel);

                    //if picker is attached to a text input, update it
                    this.updateElement();

                    $(document).off('.daterangepicker');
                    $(window).off('.daterangepicker');
                    this.container.hide();
                    this.element.trigger('hide.daterangepicker', this);
                    this.isShowing = false;
                },

                toggle: function (e) {
                    if (this.isShowing) {
                        this.hide();
                    } else {
                        this.show();
                    }
                },

                outsideClick: function (e) {
                    var target = $(e.target);
                    // if the page is clicked anywhere except within the daterangerpicker/button
                    // itself then call this.hide()
                    if (
                        // ie modal dialog fix
                        e.type == "focusin" ||
                        target.closest(this.element).length ||
                        target.closest(this.container).length ||
                        target.closest('.calendar-table').length
                        ) return;
                    this.hide();
                    this.element.trigger('outsideClick.daterangepicker', this);
                },

                showCalendars: function () {
                    this.container.addClass('show-calendar');
                    this.move();
                    this.element.trigger('showCalendar.daterangepicker', this);
                },

                hideCalendars: function () {
                    this.container.removeClass('show-calendar');
                    this.element.trigger('hideCalendar.daterangepicker', this);
                },

                hoverRange: function (e) {

                    //ignore mouse movements while an above-calendar text input has focus
                    if (this.container.find('input[name=daterangepicker_start]').is(":focus") || this.container.find('input[name=daterangepicker_end]').is(":focus"))
                        return;

                    var label = e.target.getAttribute('data-range-key');

                    if (label == this.locale.customRangeLabel) {
                        this.updateView();
                    } else {
                        var dates = this.ranges[label];
                        this.container.find('input[name=daterangepicker_start]').val(dates[0].format(this.locale.format));
                        this.container.find('input[name=daterangepicker_end]').val(dates[1].format(this.locale.format));
                    }

                },

                clickRange: function (e) {
                    var label = e.target.getAttribute('data-range-key');
                    this.chosenLabel = label;
                    if (label == this.locale.customRangeLabel) {
                        this.showCalendars();
                    } else {
                        var dates = this.ranges[label];
                        this.startDate = dates[0];
                        this.endDate = dates[1];

                        if (!this.timePicker) {
                            this.startDate.startOf('day');
                            this.endDate.endOf('day');
                        }

                        if (!this.alwaysShowCalendars)
                            this.hideCalendars();
                        this.clickApply();
                    }
                },

                clickPrev: function (e) {
                    var cal = $(e.target).parents('.calendar');
                    if (cal.hasClass('left')) {
                        this.leftCalendar.month.subtract(1, 'month');
                        if (this.linkedCalendars)
                            this.rightCalendar.month.subtract(1, 'month');
                    } else {
                        this.rightCalendar.month.subtract(1, 'month');
                    }
                    this.updateCalendars();
                },

                clickNext: function (e) {
                    var cal = $(e.target).parents('.calendar');
                    if (cal.hasClass('left')) {
                        this.leftCalendar.month.add(1, 'month');
                    } else {
                        this.rightCalendar.month.add(1, 'month');
                        if (this.linkedCalendars)
                            this.leftCalendar.month.add(1, 'month');
                    }
                    this.updateCalendars();
                },

                hoverDate: function (e) {

                    //ignore mouse movements while an above-calendar text input has focus
                    //if (this.container.find('input[name=daterangepicker_start]').is(":focus") || this.container.find('input[name=daterangepicker_end]').is(":focus"))
                    //    return;

                    //ignore dates that can't be selected
                    if (!$(e.target).hasClass('available')) return;

                    //have the text inputs above calendars reflect the date being hovered over
                    var title = $(e.target).attr('data-title');
                    var row = title.substr(1, 1);
                    var col = title.substr(3, 1);
                    var cal = $(e.target).parents('.calendar');
                    var date = cal.hasClass('left') ? this.leftCalendar.calendar[row][col] : this.rightCalendar.calendar[row][col];

                    if (this.endDate && !this.container.find('input[name=daterangepicker_start]').is(":focus")) {
                        this.container.find('input[name=daterangepicker_start]').val(date.format(this.locale.format));
                    } else if (!this.endDate && !this.container.find('input[name=daterangepicker_end]').is(":focus")) {
                        this.container.find('input[name=daterangepicker_end]').val(date.format(this.locale.format));
                    }

                    //highlight the dates between the start date and the date being hovered as a potential end date
                    var leftCalendar = this.leftCalendar;
                    var rightCalendar = this.rightCalendar;
                    var startDate = this.startDate;
                    if (!this.endDate) {
                        this.container.find('.calendar td').each(function (index, el) {

                            //skip week numbers, only look at dates
                            if ($(el).hasClass('week')) return;

                            var title = $(el).attr('data-title');
                            var row = title.substr(1, 1);
                            var col = title.substr(3, 1);
                            var cal = $(el).parents('.calendar');
                            var dt = cal.hasClass('left') ? leftCalendar.calendar[row][col] : rightCalendar.calendar[row][col];

                            if ((dt.isAfter(startDate) && dt.isBefore(date)) || dt.isSame(date, 'day')) {
                                $(el).addClass('in-range');
                            } else {
                                $(el).removeClass('in-range');
                            }

                        });
                    }

                },

                clickDate: function (e) {

                    if (!$(e.target).hasClass('available')) return;

                    var title = $(e.target).attr('data-title');
                    var row = title.substr(1, 1);
                    var col = title.substr(3, 1);
                    var cal = $(e.target).parents('.calendar');
                    var date = cal.hasClass('left') ? this.leftCalendar.calendar[row][col] : this.rightCalendar.calendar[row][col];

                    //
                    // this function needs to do a few things:
                    // * alternate between selecting a start and end date for the range,
                    // * if the time picker is enabled, apply the hour/minute/second from the select boxes to the clicked date
                    // * if autoapply is enabled, and an end date was chosen, apply the selection
                    // * if single date picker mode, and time picker isn't enabled, apply the selection immediately
                    // * if one of the inputs above the calendars was focused, cancel that manual input
                    //

                    if (this.endDate || date.isBefore(this.startDate, 'day')) { //picking start
                        if (this.timePicker) {
                            var hour = parseInt(this.container.find('.left .hourselect').val(), 10);
                            if (!this.timePicker24Hour) {
                                var ampm = this.container.find('.left .ampmselect').val();
                                if (ampm === 'PM' && hour < 12)
                                    hour += 12;
                                if (ampm === 'AM' && hour === 12)
                                    hour = 0;
                            }
                            var minute = parseInt(this.container.find('.left .minuteselect').val(), 10);
                            var second = this.timePickerSeconds ? parseInt(this.container.find('.left .secondselect').val(), 10) : 0;
                            date = date.clone().hour(hour).minute(minute).second(second);
                        }
                        this.endDate = null;
                        this.setStartDate(date.clone());
                    } else if (!this.endDate && date.isBefore(this.startDate)) {
                        //special case: clicking the same date for start/end,
                        //but the time of the end date is before the start date
                        this.setEndDate(this.startDate.clone());
                    } else { // picking end
                        if (this.timePicker) {
                            var hour = parseInt(this.container.find('.right .hourselect').val(), 10);
                            if (!this.timePicker24Hour) {
                                var ampm = this.container.find('.right .ampmselect').val();
                                if (ampm === 'PM' && hour < 12)
                                    hour += 12;
                                if (ampm === 'AM' && hour === 12)
                                    hour = 0;
                            }
                            var minute = parseInt(this.container.find('.right .minuteselect').val(), 10);
                            var second = this.timePickerSeconds ? parseInt(this.container.find('.right .secondselect').val(), 10) : 0;
                            date = date.clone().hour(hour).minute(minute).second(second);
                        }
                        this.setEndDate(date.clone());
                        if (this.autoApply) {
                            this.calculateChosenLabel();
                            this.clickApply();
                        }
                    }

                    if (this.singleDatePicker) {
                        this.setEndDate(this.startDate);
                        if (!this.timePicker)
                            this.clickApply();
                    }

                    this.updateView();

                    //This is to cancel the blur event handler if the mouse was in one of the inputs
                    e.stopPropagation();

                },

                calculateChosenLabel: function () {
                    var customRange = true;
                    var i = 0;
                    for (var range in this.ranges) {
                        if (this.timePicker) {
                            if (this.startDate.isSame(this.ranges[range][0]) && this.endDate.isSame(this.ranges[range][1])) {
                                customRange = false;
                                this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')').addClass('active').html();
                                break;
                            }
                        } else {
                            //ignore times when comparing dates if time picker is not enabled
                            if (this.startDate.format('YYYY-MM-DD') == this.ranges[range][0].format('YYYY-MM-DD') && this.endDate.format('YYYY-MM-DD') == this.ranges[range][1].format('YYYY-MM-DD')) {
                                customRange = false;
                                this.chosenLabel = this.container.find('.ranges li:eq(' + i + ')').addClass('active').html();
                                break;
                            }
                        }
                        i++;
                    }
                    if (customRange) {
                        this.chosenLabel = this.container.find('.ranges li:last').addClass('active').html();
                        this.showCalendars();
                    }
                },

                clickApply: function (e) {
                    this.hide();
                    this.element.trigger('apply.daterangepicker', this);
                },

                clickCancel: function (e) {
                    this.startDate = this.oldStartDate;
                    this.endDate = this.oldEndDate;
                    this.hide();
                    this.element.trigger('cancel.daterangepicker', this);
                },

                monthOrYearChanged: function (e) {
                    var isLeft = $(e.target).closest('.calendar').hasClass('left'),
                        leftOrRight = isLeft ? 'left' : 'right',
                        cal = this.container.find('.calendar.' + leftOrRight);

                    // Month must be Number for new moment versions
                    var month = parseInt(cal.find('.monthselect').val(), 10);
                    var year = cal.find('.yearselect').val();

                    if (!isLeft) {
                        if (year < this.startDate.year() || (year == this.startDate.year() && month < this.startDate.month())) {
                            month = this.startDate.month();
                            year = this.startDate.year();
                        }
                    }

                    if (this.minDate) {
                        if (year < this.minDate.year() || (year == this.minDate.year() && month < this.minDate.month())) {
                            month = this.minDate.month();
                            year = this.minDate.year();
                        }
                    }

                    if (this.maxDate) {
                        if (year > this.maxDate.year() || (year == this.maxDate.year() && month > this.maxDate.month())) {
                            month = this.maxDate.month();
                            year = this.maxDate.year();
                        }
                    }

                    if (isLeft) {
                        this.leftCalendar.month.month(month).year(year);
                        if (this.linkedCalendars)
                            this.rightCalendar.month = this.leftCalendar.month.clone().add(1, 'month');
                    } else {
                        this.rightCalendar.month.month(month).year(year);
                        if (this.linkedCalendars)
                            this.leftCalendar.month = this.rightCalendar.month.clone().subtract(1, 'month');
                    }
                    this.updateCalendars();
                },

                timeChanged: function (e) {

                    var cal = $(e.target).closest('.calendar'),
                        isLeft = cal.hasClass('left');

                    var hour = parseInt(cal.find('.hourselect').val(), 10);
                    var minute = parseInt(cal.find('.minuteselect').val(), 10);
                    var second = this.timePickerSeconds ? parseInt(cal.find('.secondselect').val(), 10) : 0;

                    if (!this.timePicker24Hour) {
                        var ampm = cal.find('.ampmselect').val();
                        if (ampm === 'PM' && hour < 12)
                            hour += 12;
                        if (ampm === 'AM' && hour === 12)
                            hour = 0;
                    }

                    if (isLeft) {
                        var start = this.startDate.clone();
                        start.hour(hour);
                        start.minute(minute);
                        start.second(second);
                        this.setStartDate(start);
                        if (this.singleDatePicker) {
                            this.endDate = this.startDate.clone();
                        } else if (this.endDate && this.endDate.format('YYYY-MM-DD') == start.format('YYYY-MM-DD') && this.endDate.isBefore(start)) {
                            this.setEndDate(start.clone());
                        }
                    } else if (this.endDate) {
                        var end = this.endDate.clone();
                        end.hour(hour);
                        end.minute(minute);
                        end.second(second);
                        this.setEndDate(end);
                    }

                    //update the calendars so all clickable dates reflect the new time component
                    this.updateCalendars();

                    //update the form inputs above the calendars with the new time
                    this.updateFormInputs();

                    //re-render the time pickers because changing one selection can affect what's enabled in another
                    this.renderTimePicker('left');
                    this.renderTimePicker('right');

                },

                formInputsChanged: function (e) {
                    var isRight = $(e.target).closest('.calendar').hasClass('right');
                    var start = moment(this.container.find('input[name="daterangepicker_start"]').val(), this.locale.format);
                    var end = moment(this.container.find('input[name="daterangepicker_end"]').val(), this.locale.format);

                    if (start.isValid() && end.isValid()) {

                        if (isRight && end.isBefore(start))
                            start = end.clone();

                        this.setStartDate(start);
                        this.setEndDate(end);

                        if (isRight) {
                            this.container.find('input[name="daterangepicker_start"]').val(this.startDate.format(this.locale.format));
                        } else {
                            this.container.find('input[name="daterangepicker_end"]').val(this.endDate.format(this.locale.format));
                        }

                    }

                    this.updateView();
                },

                formInputsFocused: function (e) {

                    // Highlight the focused input
                    this.container.find('input[name="daterangepicker_start"], input[name="daterangepicker_end"]').removeClass('active');
                    $(e.target).addClass('active');

                    // Set the state such that if the user goes back to using a mouse, 
                    // the calendars are aware we're selecting the end of the range, not
                    // the start. This allows someone to edit the end of a date range without
                    // re-selecting the beginning, by clicking on the end date input then
                    // using the calendar.
                    var isRight = $(e.target).closest('.calendar').hasClass('right');
                    if (isRight) {
                        this.endDate = null;
                        this.setStartDate(this.startDate.clone());
                        this.updateView();
                    }

                },

                formInputsBlurred: function (e) {

                    // this function has one purpose right now: if you tab from the first
                    // text input to the second in the UI, the endDate is nulled so that
                    // you can click another, but if you tab out without clicking anything
                    // or changing the input value, the old endDate should be retained

                    if (!this.endDate) {
                        var val = this.container.find('input[name="daterangepicker_end"]').val();
                        var end = moment(val, this.locale.format);
                        if (end.isValid()) {
                            this.setEndDate(end);
                            this.updateView();
                        }
                    }

                },

                elementChanged: function () {
                    if (!this.element.is('input')) return;
                    if (!this.element.val().length) return;
                    if (this.element.val().length < this.locale.format.length) return;

                    var dateString = this.element.val().split(this.locale.separator),
                        start = null,
                        end = null;

                    if (dateString.length === 2) {
                        start = moment(dateString[0], this.locale.format);
                        end = moment(dateString[1], this.locale.format);
                    }

                    if (this.singleDatePicker || start === null || end === null) {
                        start = moment(this.element.val(), this.locale.format);
                        end = start;
                    }

                    if (!start.isValid() || !end.isValid()) return;

                    this.setStartDate(start);
                    this.setEndDate(end);
                    this.updateView();
                },

                keydown: function (e) {
                    //hide on tab or enter
                    if ((e.keyCode === 9) || (e.keyCode === 13)) {
                        this.hide();
                    }
                },

                updateElement: function () {
                    if (this.element.is('input') && !this.singleDatePicker && this.autoUpdateInput) {
                        this.element.val(this.startDate.format(this.locale.format) + this.locale.separator + this.endDate.format(this.locale.format));
                        this.element.trigger('change');
                    } else if (this.element.is('input') && this.autoUpdateInput) {
                        this.element.val(this.startDate.format(this.locale.format));
                        this.element.trigger('change');
                    }
                },

                remove: function () {
                    this.container.remove();
                    this.element.off('.daterangepicker');
                    this.element.removeData();
                }

            };

            $.fn.daterangepicker = function (options, callback) {
                this.each(function () {
                    var el = $(this);
                    if (el.data('daterangepicker'))
                        el.data('daterangepicker').remove();
                    el.data('daterangepicker', new DateRangePicker(el, options, callback));
                });
                return this;
            };

            return DateRangePicker;

        }));


    }
});
